When did Benjamin Franklin fly his kite in a thunderstorm? July 28, 2020February 22, 2012 by Pamela Landy Benjamin Franklin performed the kite experiment that proved lightning is electricity in 1751. Related Answers When did Franklin Roosevelt first use the term “New Deal” to describe his program for recovery? What was a summoner or A canon’s yeoman or A franklin or A manciple or a reeve? How fast can birds fly? Which Wright brother was the first person to fly in an airplane? What was Franklin Roosevelt’s rank during World War I? What were the starting and ending points of Franklin Roosevelt’s Hundred Days?